b . If a firm currently buys from Ice Nine on trade credit with the present terms of 150 . net 70 and decides to forgo the trade credit discount and pay on the net day , what is the an qualized cost to that firm of forgoing the discount ? C . If Ice Nine changes its trade credit terms to 2160 , net 90 , IN what is the annualized cost to a firm that buys on credit from Ice Nine and decides to forgo the trade credit discount and pay on the net day ? d . What is the estimated change in profits resulting from the increased sales less any additional bad debts associated with the proposed change in credit policy ? e . Estimate the cost of additional investment in accounts re ceivable and inventory associated with this change in credit policy 1 . Estimate the change in the cost of the cash discount if the proposed change in credit policy is enacted 15 8 . Compare the incremental revenues with the incremental costs . Should the proposed change be enacted